Posted on May-13-19 at 06:53 PM (Eastern) by 50.51.95.166
New Flock To Unlock offer: Be one of the first 25,000 to scan one icon from each of the following beverages: Coca-Cola, Diet CokeŽ, Cherry CokeŽ, Coca-Cola Zero Sugar, FantaŽ Orange, and Fanta Grape to get a Pen Set.
https://us.coca-cola.com/legal/62193/
It's not available on the app. But if you are using a phone, you can go to https://www.coke.com/offers, sign in, and the tile will show up to enter your scans.
I used the same Coke zero icon (on my can) to get it!